References

http://en.wikipedia.org/wiki/Centurion

http://www.pvv.ntnu.no/~madsb/home/war/vegetius/dere05.php#04

http://en.wikipedia.org/wiki/Ancient_rome\

http://en.wikipedia.org/wiki/Lucius_Cornelius_Sulla#First_march_on_Rome

http://en.wikipedia.org/wiki/107_BC

http://primaryhomeworkhelp.co.uk/romans/weapons.html